docs: def logout_all(self,
  	               command='exit',
  	               note=None,
  	               echo=None,
  	               timeout=shutit_global.shutit_global_object.default_timeout,
  	               nonewline=False,
  	               loglevel=logging.DEBUG):
  		"""Logs the user out of all pexpect sessions within this ShutIt object.
  
  			@param command:         Command to run to log out (default=exit)
  			@param note:            See send()
  		"""
  		shutit_global.shutit_global_object.yield_to_draw()
  		for key in self.shutit_pexpect_sessions:
  			shutit_pexpect_session = self.shutit_pexpect_sessions[key]
  			shutit_pexpect_session.logout_all(ShutItSendSpec(shutit_pexpect_session,
  		                                                     send=command,
  		                                                     note=note,
  		                                                     timeout=timeout,
  		                                                     nonewline=nonewline,
  		                                                     loglevel=loglevel,
  		                                                     echo=echo))
  		return True